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Parts for MerCruiser Alpha One (Gen. II) 1998 & Up Driveshaft Housing & Drive Gears

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 1547-861063A 4 HOUSING ASSEMBLY, Driveshaft (1 required per assembly)
HOUSING ASSEMBLY 1547-861063A 4 1547-861063A 4
1547-861063A 4OEM Part 1547-861063A 4 - Dsh Genii Basic (more info) About Mercury Marine $839.50 $839.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
Upper Unit Housing 18-2411
18-2411OEM Match 18-2411 - Upper Unit, (more info) About Sierra Marine $970.15 $970.15 Add to shopping cart
1 in stock. Explain stock levels
#2 10-79953A 2 SCREW KIT, (.375-16 x .250) , Drain (1 required per assembly)
SCREW KIT-DRAIN   O - Replaced by 10-79953Q 2 10-79953A 2
10-79953A 2This part has been superseded. SCREW KIT-DRAIN O - Replaced by 10-79953Q 2
(more info)
    UnavailableUnavailable Parts
SCREW KIT @2      O - Replaced by 10-79953Q04 10-79953Q 2
10-79953Q 2This part has been superseded. SCREW KIT @2 O - Replaced by 10-79953Q04
(more info)
    UnavailableUnavailable Parts
SCREW KIT Drain 10-79953Q04 10-79953Q04
10-79953Q04OEM Part 10-79953Q04 - Screw Kit - Priced Individually (more info) About Mercury Marine $5.70 $5.70 Add to shopping cart
10+ in stock. Explain stock levels
DRAIN PLUG 18-2244
18-2244OEM Match 18-2244 - Plug Kit, 10-79953A2 (more info) About Sierra Marine $2.99 $2.07 Add to shopping cart
10+ in stock. Explain stock levels
SCREW-DRAIN Note: must be ordered in multiples of 2   10 79953K04 10-79953K04
10-79953K04OEM Part 10-79953K04 - Drain Screw - Priced Individually (more info) About Mercury Marine $5.70 $5.70 Add to shopping cart
1 in stock. Explain stock levels
#3 12-19183 WASHER, Fiber (1 required per assembly)
12191832 12-19183 12-19183
12-19183OEM Part 12-19183 - Washer-BLK - Priced Individually (more info) About Mercury Marine $0.80 $0.80 Add to shopping cart
10+ in stock. Explain stock levels
WASHER-ORAN @15   O - Replaced by 12-19183  3 12-19183  2
12-19183 2This part has been superseded. WASHER-ORAN @15 O - Replaced by 12-19183 3
(more info)
    UnavailableUnavailable Parts
SEAL 12-19183  3 12-19183 3
12-19183 3OEM Part 12-19183 3 - Seal -Blue - Priced Individually (more info) About Mercury Marine $1.00 $1.00 Add to shopping cart
10+ in stock. Explain stock levels
DRAIN GASKET 18-2945-9
18-2945-9OEM Match 18-2945-9 - Gasket 12-19183 2-Pack (more info)
Replaces OEM #0307552
About Sierra Marine $2.78 $1.52 Add to shopping cart
10+ in stock. Explain stock levels
SEAL (4) Note: must be ordered in multiples of 2   12 19183Q02 12-19183Q02
12-19183Q02OEM Part 12-19183Q02 - Seals, Pack of 4 (more info) About Mercury Marine $5.00 $5.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
SEAL (4) Note: must be ordered in multiples of 2   12 19183K02 12-19183K02
12-19183K02OEM Part 12-19183K02 - Seal, Pack of 4 (more info) About Mercury Marine $5.00 $5.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
#4 24-17997A 1 SPRING KIT (1 required per assembly)
SPRING KIT 24-17997A 1 24-17997A 1
24-17997A 1OEM Part 24-17997A 1 - Spring Kit (more info) About Mercury Marine $7.20 $7.20 Add to shopping cart
Available to order:
Usually ships
within 8 days
Valve Kit 18-2715
18-2715OEM Match 18-2715 - Valve Kit, 24-17997A1 (more info) About Sierra Marine $7.20 $5.01 Add to shopping cart
Available to order:
Usually ships
within 8 days
#5 26-66302 SEAL, Oil (2 required per assembly) SN# 0M400410 & Below
SEAL Oil 26-66302 26-66302
26-66302OEM Part 26-66302 - Seal - Priced Individually (more info) About Mercury Marine $13.90 $13.90 Add to shopping cart
10+ in stock. Explain stock levels
Oil Seal 18-2056
18-2056OEM Match 18-2056 - Seal, 26-96503 1 (more info) About Sierra Marine $11.49 $8.73 Add to shopping cart
10+ in stock. Explain stock levels
#5 26-864319 SEAL, Oil (1 required per assembly) SN# 0M400412 & Up
SEAL Oil 26-864319 26-864319
26-864319OEM Part 26-864319 - Seal -double (more info) About Mercury Marine $6.70 $6.70 Add to shopping cart
Available to order:
Usually ships
within 8 days
DOUBLE LIP SEAL 18-3289
18-3289OEM Match 18-3289 - Seal, 26-864319 (more info) About Sierra Marine $6.49 $4.43 Add to shopping cart
1 in stock. Explain stock levels
#6 821564 PLUG (1 required per assembly)
PLUG              O - Replaced by -861738  
821564This part has been superseded. PLUG O - Replaced by -861738
(more info)
    UnavailableUnavailable Parts
PLUG 861738  
861738OEM Part 861738 - Plug (more info) About Mercury Marine $1.90 $1.90 Add to shopping cart
1 in stock. Explain stock levels
#7 814386 WEAR PAD (1 required per assembly) (PORT)
WEAR PAD-LH       O - Replaced by -8M2015937  
814386This part has been superseded. WEAR PAD-LH O - Replaced by -8M2015937
(more info)
    UnavailableUnavailable Parts
WEAR PAD-LH 8M2015937 8M2015937
8M2015937OEM Part 8M2015937 - Wear Pad -lh (more info) About Mercury Marine $4.10 $4.10 Add to shopping cart
2 in stock. Explain stock levels
#7 814387 WEAR PAD (1 required per assembly) (STARBOARD)
8M2015938 814387  
814387OEM Part 814387 - WEAR Pad -RH (more info) About Mercury Marine $2.57 $2.57 Add to shopping cart
1 in stock. Explain stock levels
WEAR PAD-RH       O - Replaced by -879346T30  
8M2015938This part has been superseded. WEAR PAD-RH O - Replaced by -879346T30
(more info)
    UnavailableUnavailable Parts
WEAR PAD, RH 879346T30  
879346T30OEM Part 879346T30 - WEAR PAD, RH (more info) About Mercury Marine $5.10 $5.10 Add to shopping cart
2 in stock. Explain stock levels
#8 19-824928 PLUG, Rubber (1 required per assembly)
PLUG              O - Replaced by 19-824928001  
19-824928This part has been superseded. PLUG O - Replaced by 19-824928001
(more info)
    UnavailableUnavailable Parts
PLUG Rubber 19-824928001  
19-824928001OEM Part 19-824928001 - Plug (more info) About Mercury Marine $3.70 $3.70 Add to shopping cart
Available to order:
Usually ships
within 8 days
#9 814819A 7 UNIVERSAL JOINT (1 required per assembly) (Gray) Meritor Assembly
UNIVERSAL JOINT   O - Replaced by -864281A 2 814819A 7
814819A 7This part has been superseded. UNIVERSAL JOINT O - Replaced by -864281A 2
(more info)
    UnavailableUnavailable Parts
UNIVERSAL JOINT 864281A 2 864281A 2
864281A 2OEM Part 864281A 2 - Shaft Assembly (more info) About Mercury Marine $615.00 $615.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
U-Joint Assy 18-6402
18-6402OEM Match 18-6402 - Universal Joint Assembly, 864281A2 (more info) About Sierra Marine $667.88 $541.35 Add to shopping cart
2 in stock. Explain stock levels
#9 864281A 2 UNIVERSAL JOINT (1 required per assembly) (Black) GKN Assembly
#10 853635 YOKE, Gear End (1 required per assembly) (Gray) Meritor Assembly
YOKE 853635 853635
853635OEM Part 853635 - Yoke -Universal Joint (more info) About Mercury Marine $154.50 $154.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#10 864282T YOKE, Gear End (1 required per assembly) (Black) GKN Assembly
YOKE 864282T 864282T
864282TOEM Part 864282T - Yoke - Short (more info) About Mercury Marine $131.25 $131.25 Add to shopping cart
1 in stock. Explain stock levels
Yoke 18-6403
18-6403OEM Match 18-6403 - Yoke, 864282T (more info) About Sierra Marine $144.27 $108.29 Add to shopping cart
Available to order:
Usually ships
within 8 days
#11 39383T SOCKET, Center (1 required per assembly) (Gray) Meritor Assembly
393831 39383T 39383T
39383TOEM Part 39383T - Yoke -double (more info) About Mercury Marine $50.00 $50.00 Add to shopping cart
3 in stock. Explain stock levels
SOCKET Center 39383  1 39383  1
39383 1OEM Part 39383 1 - Yoke -double (more info) About Mercury Marine $92.00 $92.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
Center Socket 18-2128
18-2128OEM Match 18-2128 - Yoke 39383TCenter (more info)
Replaces OEM #0912213
About Sierra Marine $82.23 $65.82 Add to shopping cart
Available to order:
Usually ships
within 8 days
#11 865503T SOCKET, Center (1 required per assembly) (Black) GKN Assembly
SOCKET 865503T 865503T
865503TOEM Part 865503T - Yoke -double (more info) About Mercury Marine $77.08 $77.08 Add to shopping cart
Available to order:
Usually ships
within 8 days
#12 805536A 2 CROSS AND BEARING (2 required per assembly) (Gray) Meritor Assembly
CROSS AND BEARING 805536A 2 805536A 2
805536A 2OEM Part 805536A 2 - Cross & Bearing (more info) About Mercury Marine $84.42 $84.42 Add to shopping cart
1 in stock. Explain stock levels
U-Joint 18-2097
18-2097OEM Match 18-2097 - Universal Joint, 805536A2 (more info) About Sierra Marine $77.83 $62.75 Add to shopping cart
7 in stock. Explain stock levels
#12 865493A01 CROSS AND BEARING (2 required per assembly) (Black) GKN Assembly
ORD 865496A02     O NLA 865493A01
865493A01 ORD 865496A02 O NLA
(more info)
    UnavailableUnavailable Parts
U-Joint 18-6406
18-6406OEM Match 18-6406 - Universal Joint, 865493A01 (more info) About Sierra Marine $137.47 $101.69 Add to shopping cart
10+ in stock. Explain stock levels
CROSS BEARING KIT 865496A02 865496A02
865496A02OEM Part 865496A02 - Cross Bearing Kit (more info) About Mercury Marine $211.25 $211.25 Add to shopping cart
2 in stock. Explain stock levels
#13 814819A 3 YOKE, Coupler End (1 required per assembly) (Gray) Meritor Assembly
YOKE Coupler End 814819A 3 814819A 3
814819A 3OEM Part 814819A 3 - Yoke Assembly (more info) About Mercury Marine $219.17 $219.17 Add to shopping cart
4 in stock. Explain stock levels
#13 865491A01 YOKE, Coupler End (1 required per assembly) (Black) GKN Assembly
YOLK              O - Replaced by -864281A01  
865491A01This part has been superseded. YOLK O - Replaced by -864281A01
(more info)
    UnavailableUnavailable Parts
YOLK ASSEMBLY 864281A01 864281A01
864281A01OEM Part 864281A01 - Yoke -Splined (more info) About Mercury Marine $214.25 $214.25 Add to shopping cart
1 in stock. Explain stock levels
Yoke 18-6405
18-6405OEM Match 18-6405 - Yoke, 864281A01 (more info) About Sierra Marine $154.02 $154.02 Add to shopping cart
2 in stock. Explain stock levels
#14 25-29845 O-RING, (.924 x .103) (2 required per assembly)
O-RING (.924 x .1 25-29845 25-29845
25-29845OEM Part 25-29845 - O-Ring - Priced Individually (more info) About Mercury Marine $1.90 $1.90 Add to shopping cart
10+ in stock. Explain stock levels
O Ring 18-7103-9
18-7103-9OEM Match 18-7103-9 - O-Ring , 308624 (PK5) (more info)
Replaces OEM #0308624
About Sierra Marine $27.45 $27.19 Add to shopping cart
3 in stock. Explain stock levels
#14 25-35027 O-RING, (1.046) (1 required per assembly)
O-RING (1.046) 25-35027 25-35027
25-35027OEM Part 25-35027 - O-Ring - Priced Individually (more info) About Mercury Marine $1.20 $1.20 Add to shopping cart
10+ in stock. Explain stock levels
O-Ring 18-7117
18-7117OEM Match 18-7117 - O-Ring 303360, 25-35027 (more info)
Replaces OEM #0303360
About Sierra Marine $1.99 $0.88 Add to shopping cart
Available to order:
Usually ships
within 8 days
#15 816811 1 RETAINER (1 required per assembly)
RETAINER          O - Replaced by -816811  2 816811  1
816811 1This part has been superseded. RETAINER O - Replaced by -816811 2
(more info)
    UnavailableUnavailable Parts
RETAINER 816811  2 816811  2
816811 2OEM Part 816811 2 - Bearing Retainer (more info) About Mercury Marine $34.50 $29.54 Add to shopping cart
Available to order:
Usually ships
within 8 days
Retaining Nut Drive Shft Hs 18-3752
18-3752OEM Match 18-3752 - Nut 816811-1 (more info) About Sierra Marine $29.21 $23.13 Add to shopping cart
9 in stock. Explain stock levels
#16 35983 RING (1 required per assembly)
RING 35983 35983
35983OEM Part 35983 - Ring (more info) About Mercury Marine $14.20 $14.20 Add to shopping cart
10+ in stock. Explain stock levels
Owners manual  Manual 212141 Owners Manual-1993 9 9 15 10 $24.95 $24.95 Add to shopping cart
Upper Housing Ring 18-4296
18-4296OEM Match 18-4296 - Housing Ring, 35983 (more info) About Sierra Marine $14.99 $12.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
#17 25-70937 O-RING (1 required per assembly)
O-RING 25-70937 25-70937
25-70937OEM Part 25-70937 - O-Ring - Priced Individually (more info) About Mercury Marine $3.80 $3.80 Add to shopping cart
7 in stock. Explain stock levels
O-Ring 18-7169-9
18-7169-9OEM Match 18-7169-9 - O-Ring (PK5) 25-70937, 911686 (more info)
Replaces OEM #0911686
About Sierra Marine $19.95 $11.62 Add to shopping cart
10+ in stock. Explain stock levels
#18 66081A 2 CARRIER ASSEMBLY (1 required per assembly)
CARRIER ASSEMBLY 66081A 2 66081A 2
66081A 2OEM Part 66081A 2 - Carrier Assembly (more info) About Mercury Marine $62.50 $53.51 Add to shopping cart
Available to order:
Usually ships
within 8 days
Carrier Assy Oil Seal 18-0577
18-0577OEM Match 18-0577 - Carrier Assembly, 66081A2 (more info) About Sierra Marine $46.99 $37.87 Add to shopping cart
1 in stock. Explain stock levels
#19 26-823894 SEAL, Oil (1 required per assembly)
SEAL Oil 26-823894 26-823894
26-823894OEM Part 26-823894 - Seal (more info) About Mercury Marine $25.60 $21.92 Add to shopping cart
1 in stock. Explain stock levels
Oil Seal 18-2003
18-2003OEM Match 18-2003 - Seal, 26-823894 (more info) About Sierra Marine $20.49 $13.28 Add to shopping cart
10+ in stock. Explain stock levels
#20 31-30894A 5 BEARING KIT, Roller (1 required per assembly)
BEARING KIT Rolle 31-30894A 5 31-30894A 5
31-30894A 5OEM Part 31-30894A 5 - Bearing Assembly (more info) About Mercury Marine $135.67 $135.67 Add to shopping cart
1 in stock. Explain stock levels
Roller Bearing Kit 18-1182
18-1182OEM Match 18-1182 - Bearing Kit, 31-30894A5 (more info) About Sierra Marine $162.64 $124.07 Add to shopping cart
Available to order:
Usually ships
within 8 days
#21 23-853649 SPACER, Bearing Cup (1 required per assembly)
ORD 23-853649A 1  O NLA  
23-853649 ORD 23-853649A 1 O NLA
(more info)
    UnavailableUnavailable Parts
#22 15-35980A 1 SHIM SET (AR required per assembly)
SHIM SET 15-35980A 1 15-35980A 1
15-35980A 1OEM Part 15-35980A 1 - Shim Set (more info) About Mercury Marine $12.50 $8.44 Add to shopping cart
4 in stock. Explain stock levels
Shim Kit 18-2292
18-2292OEM Match 18-2292 - Shim 15-35980A1 (more info) About Sierra Marine $15.97 $11.63 Add to shopping cart
1 in stock. Explain stock levels
#23 15-71013 SHIM, Spacer (1 required per assembly)
SHIM Spacer 15-71013 15-71013
15-71013OEM Part 15-71013 - Shim - Priced Individually (more info) About Mercury Marine $3.80 $2.56 Add to shopping cart
10+ in stock. Explain stock levels
Shim Kit 18-2296
18-2296OEM Match 18-2296 - Shim 15-71013 (more info) About Sierra Marine $3.87 $3.87 Add to shopping cart
Available to order:
Usually ships
within 8 days
#24 43-853641A 2 GEAR KIT, (20-22 GEARS) (1 required per assembly) (1.47:1 RATIO)
GEAR KIT (20-22 G 43-853641A 2 43-853641A 2
43-853641A 2OEM Part 43-853641A 2 - Gear Set -1.47 (more info) About Mercury Marine $425.75 $344.86 Add to shopping cart
8 in stock. Explain stock levels
Upper Gear Kit 18-6351
18-6351OEM Match 18-6351 - Upper Gear Kit 18-6351 (more info) About Sierra Marine $469.80 $465.82 Add to shopping cart
1 in stock. Explain stock levels
REPAIR KIT-GEAR   43803103T 1 43-803103T 1
43-803103T 1OEM Part 43-803103T 1 - Gear Repair Kit (more info) About Mercury Marine $601.08 $601.08 Add to shopping cart
Available to order:
Usually ships
within 8 days
#24 43-853640A 2 GEAR KIT, (24-24 GEARS) (1 required per assembly) (1.62:1 AND 2.00:1 RATIO)
GEAR KIT (24-24 G 43-853640A 2 43-853640A 2
43-853640A 2OEM Part 43-853640A 2 - Gear Set -1.62/2.0 (more info) About Mercury Marine $369.93 $369.93 Add to shopping cart
Available to order:
Usually ships
within 8 days
Upper Gear Kit 18-6350
18-6350OEM Match 18-6350 - Gear Set (more info) About Sierra Marine $469.80 $465.82 Add to shopping cart
Available to order:
Usually ships
within 8 days
REPAIR KIT-GEAR   43803104T 1 43-803104T 1
43-803104T 1OEM Part 43-803104T 1 - Gear Repair Kit (more info) About Mercury Marine $528.25 $528.25 Add to shopping cart
1 in stock. Explain stock levels
#24 43-853643A 2 GEAR KIT, (17-19 GEARS) (1 required per assembly) (1.81:1 RATIO)
GEAR KIT (17-19 G 43-853643A 2 43-853643A 2
43-853643A 2OEM Part 43-853643A 2 - Gear Set -1.81 (more info) About Mercury Marine $404.08 $327.32 Add to shopping cart
6 in stock. Explain stock levels
Gear Kit, Upper 18-6353
18-6353OEM Match 18-6353 - Gear Kit, 43-853643A2 (more info) About Sierra Marine $431.02 $427.36 Add to shopping cart
1 in stock. Explain stock levels
REPAIR KIT-GEAR   43803105T 1 43-803105T 1
43-803105T 1OEM Part 43-803105T 1 - Gear Repair Kit (more info) About Mercury Marine $431.93 $431.93 Add to shopping cart
Available to order:
Usually ships
within 8 days
#24 43-853642A 2 GEAR KIT, (20-24 GEARS) (1 required per assembly) (1.94:1 AND 2.40:1 RATIO)
GEAR KIT (20-24 G 43-853642A 2 43-853642A 2
43-853642A 2OEM Part 43-853642A 2 - Gear Set -1.94/2.4 (more info) About Mercury Marine $372.50 $372.50 Add to shopping cart
2 in stock. Explain stock levels
Upper Gear Kit 18-6352
18-6352OEM Match 18-6352 - Upper Gear Kit 18-6352 (more info) About Sierra Marine $469.80 $465.82 Add to shopping cart
1 in stock. Explain stock levels
REPAIR KIT-GEAR   43803106T 1 43-803106T 1
43-803106T 1OEM Part 43-803106T 1 - Gear Repair Kit (more info) About Mercury Marine $423.79 $423.79 Add to shopping cart
Available to order:
Usually ships
within 8 days
#25 31-35990A 1 BEARING ASSEMBLY, Roller (1 required per assembly)
BEARING ASSEMBLY 31-35990A 1 31-35990A 1
31-35990A 1OEM Part 31-35990A 1 - Bearing Assembly (more info) About Mercury Marine $48.30 $41.36 Add to shopping cart
3 in stock. Explain stock levels
Tapered Roller Bearing 18-1161
18-1161OEM Match 18-1161 - Bearing 31-35990A1, 983891 (more info)
Replaces OEM #0983891
About Sierra Marine $39.99 $31.44 Add to shopping cart
8 in stock. Explain stock levels
#25 31-32573A 1 BEARING ASSEMBLY, Roller (1 required per assembly) (1.47:1 RATIO ONLY)
BEARING ASSEMBLY 31-32573A 1 31-32573A 1
31-32573A 1OEM Part 31-32573A 1 - Bearing Assembly (more info) About Mercury Marine $45.83 $45.83 Add to shopping cart
10+ in stock. Explain stock levels
Upper Pinion Bearing 18-1142
18-1142OEM Match 18-1142 - Bearing 31-32573A1 (more info) About Sierra Marine $52.31 $41.09 Add to shopping cart
2 in stock. Explain stock levels
#26 12-45810 WASHER (1 required per assembly)
WASHER 12-45810 12-45810
12-45810OEM Part 12-45810 - Washer (more info) About Mercury Marine $1.20 $1.20 Add to shopping cart
10+ in stock. Explain stock levels
Upper Drive Washer 18-3712
18-3712OEM Match 18-3712 - Washer, 12-45810 (more info) About Sierra Marine $1.76 $1.35 Add to shopping cart
1 in stock. Explain stock levels
#27 11-22339 NUT, (.625-18) (1 required per assembly)
NUT (.625-18) 11-22339 11-22339
11-22339OEM Part 11-22339 - Nut - Priced Individually (more info) About Mercury Marine $5.40 $5.40 Add to shopping cart
10+ in stock. Explain stock levels
Nut 18-3713
18-3713OEM Match 18-3713 - Nut, 11-22339 (more info) About Sierra Marine $3.98 $2.87 Add to shopping cart
10+ in stock. Explain stock levels
#28 15-36178A 1 SHIM SET (AR required per assembly)
1536178A02 15-36178A 1  
15-36178A 1OEM Part 15-36178A 1 - Shim Set (more info) About Mercury Marine $7.50 $7.50 Add to shopping cart
10+ in stock. Explain stock levels
SHIM SET 15-36178A02  
15-36178A02OEM Part 15-36178A02 - Shim Set (more info) About Mercury Marine $11.10 $11.10 Add to shopping cart
1 in stock. Explain stock levels
Shim Kit 18-2293
18-2293OEM Match 18-2293 - Shim Kit, 15-36178A1 (more info) About Sierra Marine $11.90 $9.67 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 26-88397A 1 SEAL KIT, Driveshaft Housing (- required per assembly)
SEAL KIT Drivesha 26-88397A 1 26-88397A 1
26-88397A 1OEM Part 26-88397A 1 - Seal Kit (more info) About Mercury Marine $41.40 $35.46 Add to shopping cart
1 in stock. Explain stock levels
Seal Kit 18-2644
18-2644OEM Match 18-2644 - Seal Kit, 26-88397A1 (more info) About Sierra Marine $31.99 $26.72 Add to shopping cart
10+ in stock. Explain stock levels